syberg.dk is a .dk domain served by 2 nameservers (ns3.vest.net, ns4.vest.net). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.mx11.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns3.vest.net | 138.197.177.154 | ns3.vest.net | AS14061 DigitalOcean, LLC |
| ns4.vest.net | 164.92.133.144 | ns4.vest.net | AS14061 DigitalOcean, LLC |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.mx11.dk | 140.82.38.100 | mail.mx11.dk | AS20473 The Constant Company, LLC |
| TXT Record |
|---|
| v=spf1 ip4:140.82.38.100 include:mail.mx11.dk include:_spf.google.com ~all |
| Policy | Record (syberg.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:140.82.38.100 include:mail.mx11.dk include:_spf.google.com ~all |
| Policy | Record (_dmarc.syberg.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves syberg.dk: no address www.syberg.dk: no address |
| Wildcard | No |
DNS lookups: 3/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101202 |
| Primary NS (MNAME) | ns3.vest.net |
| Responsible (RNAME) | hostmaster@vest.net |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1997-01-31 |
| Expires | 2027-03-31 (165d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 17:49:34 shown | 570ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-09 14:31:54 | 4465ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-03 12:25:51 | 1220ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-25 17:24:24 | 9911ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-25 17:10:49 | 1214ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-23 23:54:39 | 942ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 03:04:26 | 920ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 22:31:13 | 2562ms | 2 NS 0 A 1 MX | 🔓 Insecure |